If the FDA pushes.. FDA Pushes Genetic Test Tied to Warfarin [Doctors worry about malpractice liability if the test is not performed.]words from Dew Diligence. <A HREF="http://online.wsj.com/article/SB118722561330199147.html" target="_blank">http://online.wsj.com/article/SB118722561330199147.html</A> I believe it will become so. People will also want it.